diff --git a/compile_windows.sh b/compile_windows.sh
index c42affb..78b644e 100755
--- a/compile_windows.sh
+++ b/compile_windows.sh
@@ -48,6 +48,8 @@ ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/core/thread.cpp -o sfw/core/thread
 ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/core/socket.cpp -o sfw/core/socket.o
 ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/core/inet_address.cpp -o sfw/core/inet_address.o
 
+ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/core/sub_process.cpp -o sfw/core/sub_process.o
+
 ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/core/sfw_core.cpp -o sfw/core/sfw_core.o
 
 ccache g++ -Wall -D_REENTRANT -g -Isfw -c sfw/object/object.cpp -o sfw/object/object.o
@@ -116,6 +118,7 @@ ccache g++ -Wall \
                         sfw/core/pool_vector.o sfw/core/pool_allocator.o sfw/core/mutex.o sfw/core/sfw_time.o \
                         sfw/core/dir_access.o sfw/core/file_access.o sfw/core/thread.o \
                         sfw/core/socket.o sfw/core/inet_address.o \
+                        sfw/core/sub_process.o \
                         sfw/core/sfw_core.o \
                         sfw/object/object.o sfw/object/reference.o sfw/object/core_string_names.o \
                         sfw/object/variant.o sfw/object/variant_op.o sfw/object/psignal.o \
diff --git a/sfw/core/aabb.cpp b/sfw/core/aabb.cpp
index 33a10a8..afe7e71 100644
--- a/sfw/core/aabb.cpp
+++ b/sfw/core/aabb.cpp
@@ -114,10 +114,6 @@ AABB AABB::intersection(const AABB &p_aabb) const {
 	return AABB(min, max - min);
 }
 
-// MSVC
-#undef near
-#undef far
-
 bool AABB::intersects_ray(const Vector3 &p_from, const Vector3 &p_dir, Vector3 *r_clip, Vector3 *r_normal) const {
 	Vector3 c1, c2;
 	Vector3 end = position + size;
diff --git a/sfw/core/sub_process.h b/sfw/core/sub_process.h
index 0ea2da1..2153294 100644
--- a/sfw/core/sub_process.h
+++ b/sfw/core/sub_process.h
@@ -25,6 +25,9 @@
 #include "core/local_vector.h"
 //--STRIP
 
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
 typedef struct tagLOGCONTEXTW {
 	WCHAR lcName[40];
 	UINT lcOptions;
diff --git a/tools/merger/sfw_core.cpp.inl b/tools/merger/sfw_core.cpp.inl
index e13dc8a..1b48e5b 100644
--- a/tools/merger/sfw_core.cpp.inl
+++ b/tools/merger/sfw_core.cpp.inl
@@ -7,14 +7,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <cstring>
-#include <sys/time.h>
 #include <time.h>
-#include <unistd.h>
 #include <ctime>
 #include <wchar.h>
 #include <cstdint>
 #include <memory.h>
 
+#if !defined(_WIN64) && !defined(_WIN32)
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
 #ifndef SFW_H
 #include "sfw.h"
 #endif
diff --git a/tools/merger/sfw_full.cpp.inl b/tools/merger/sfw_full.cpp.inl
index 31cb485..ad72859 100644
--- a/tools/merger/sfw_full.cpp.inl
+++ b/tools/merger/sfw_full.cpp.inl
@@ -8,14 +8,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <cstring>
-#include <sys/time.h>
 #include <time.h>
-#include <unistd.h>
 #include <ctime>
 #include <wchar.h>
 #include <cstdint>
 #include <memory.h>
 
+#if !defined(_WIN64) && !defined(_WIN32)
+#include <sys/time.h>
+#include <unistd.h>
+#endif
+
 #ifndef SFW_H
 
 #ifdef __APPLE__
@@ -44,9 +47,22 @@
 #define Font The_Font_I_dont_care
 #endif
 
+// Note: On Windows we need to make sure that 
+// GLFW includes it's needed windows headers first, as it has quite a bit of setup.
+// Also windows headers can define quite a bit of stuff like far and near macros
+// Wee need to make sure it's safe to undo those as soon as possible
+// This means that <windows.h> cannot be included in sfw.h if rendering is enabled.
+// Also since it pull in lots of defines it probably shouldn't anyway.
 #undef ONLY_GLAD
 #include "sfw_3rd.m"
 
+#if defined(_WIN64) || defined(_WIN32)
+#undef far
+#undef near
+#undef FAR
+#undef NEAR
+#endif
+
 #undef CursorShape
 
 #if defined(__linux__)
@@ -414,7 +430,7 @@
 //#include <shlobj.h>
 //#include <wchar.h>
 //--STRIP
-{{FILE:sfw/core/sub_process.cpp}}
+//{//{FILE:sfw/core/sub_process.cpp}}
 
 //--STRIP
 //#include "core/pool_vector.h"
diff --git a/tools/merger/sfw_full.h.inl b/tools/merger/sfw_full.h.inl
index bb25bb0..58dd1a0 100644
--- a/tools/merger/sfw_full.h.inl
+++ b/tools/merger/sfw_full.h.inl
@@ -443,7 +443,7 @@
 //Win Only
 //#include "core/local_vector.h"
 //--STRIP
-{{FILE:sfw/core/sub_process.h}}
+//{//{FILE:sfw/core/sub_process.h}}
 
 //--STRIP
 //no includes